1. Darragh Mullins 4 th Energy Systems 11/01/2013

2.  Performance of a wastewater treatment plant  Conventional RGB Digital camera  Consistent image acquisition  Image Processing  Correlation with laboratory results  Generate dynamic report  Autonomous Operation

4.  Initial development in OpenCV  Extensive image processing libraries  Lacks default plotting tools  Poor online documentation  Development switched to Matlab  Image processing toolbox  Easier plotting http://opencv.willowgarage.com/wiki/OpenCVLogo http://www.mathworks.co.uk/company/newsle tters/news_notes/clevescorner/images/membr ane_2002.gif

6. http://upload.wikimedia.org/wikipedia/commons/0/0d /HSV_color_solid_cylinder_alpha_lowgamma.png

7. Note: Report generation code omitted for clarity

8.  Apply threshold  X value at average Y value  Differentiate to find max slope

9.  Matlab -> MS Word, ActiveX interface  Real Time interface  Predefined functions ◦ TOC, headers, page no. etc.  actx_word_p.Selection.TypeText(text_p);  Functions sourced from Mathworks file exchange.

10.  Environmental effects to data acquisition ◦ Vessel shape ◦ Lighting conditions ◦ Camera resolution

11.  Pump out sample  Take images at regular intervals  Run code  Publish report  Dispose of sample  Repeat on schedule